package com.hsc.mvc.util;

/**
 * @author
 * @date 2025-05-18
 * @Description 字符串工具类
 */
public class StringUtil {

    public static boolean isEmpty(String str) {
        return str == null || "".equals(str);
    }

    public static boolean isNull(String s) {
        return s == null;
    }
}
